Durability and mechanical performance of pure/chelated superabsorbent polymer (SAP/SAPC) added mortar in cold region | |
Li, Desheng1,2; Chen, Bing1,2; Xue, Ke3; Li, Anyuan4; Zheng, Hao5; Zhang, Mingli6![]() | |
2021-12 | |
发表期刊 | JOURNAL OF BUILDING ENGINEERING
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卷号 | 44 |
摘要 | As we all know, the superabsorbent polymer (SAP) has a great potential to absorb water, and then expands hundreds of times. The SAP added cement-based material used in a water-exposed structure could effectively seal the micro-crack by itself. The repairing inaccessibility and expense for the concrete crack strengthen the demand for self-healing cement-based materials. However, the application of SAP added cement-based material in extreme condition, especially in cold regions, is not thoroughly investigated. The construction and maintenance of large linear engineering in Chinese cold regions, like Qinghai-Tibet Railway/Highway and Harbin-Dalian High-speed Railway, urges the improvement of self-healing cement-based material in cold regions. In this study, two kinds of SAPs were added to mortar paste. The axial shrinkage, weight time-series and mechanical performance of hardened mortar prisms under Thaw-Soak-Freeze/Freeze-Thaw cycle were measured. Then, the durability and degradation mechanism of these SAP added mortar under frost damage are analyzed and discussed. |
关键词 | Self-healing material Superabsorbent polymer Cement-based material FreezeThaw Thaw-soak-freeze |
DOI | 10.1016/j.jobe.2021.102982 |
收录类别 | SCIE |
语种 | 英语 |
WOS研究方向 | Construction & Building Technology ; Engineering |
WOS类目 | Construction & Building Technology ; Engineering, Civil |
WOS记录号 | WOS:000698711100004 |
出版者 | ELSEVIER |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | https://ir.lut.edu.cn/handle/2XXMBERH/149990 |
专题 | 土木工程学院 |
作者单位 | 1.Shanghai Jiao Tong Univ, State Key Lab Ocean Engn, Shanghai 200240, Peoples R China; 2.Shanghai Jiao Tong Univ, Dept Civil Engn, Shanghai Key Lab Digital Maintenance Bldg & Infra, Shanghai 200240, Peoples R China; 3.Sichuan Agr Univ, Coll Civil Engn, Chengdu, Peoples R China; 4.Shaoxing Univ, Dept Civil Engn, Shaoxing, Peoples R China; 5.Hokkaido Univ, Fac Engn, Sapporo, Hokkaido, Japan; 6.Lanzhou Univ Technol, Dept Civil Engn, Lanzhou, Peoples R China |
推荐引用方式 GB/T 7714 | Li, Desheng,Chen, Bing,Xue, Ke,et al. Durability and mechanical performance of pure/chelated superabsorbent polymer (SAP/SAPC) added mortar in cold region[J]. JOURNAL OF BUILDING ENGINEERING,2021,44. |
APA | Li, Desheng,Chen, Bing,Xue, Ke,Li, Anyuan,Zheng, Hao,&Zhang, Mingli.(2021).Durability and mechanical performance of pure/chelated superabsorbent polymer (SAP/SAPC) added mortar in cold region.JOURNAL OF BUILDING ENGINEERING,44. |
MLA | Li, Desheng,et al."Durability and mechanical performance of pure/chelated superabsorbent polymer (SAP/SAPC) added mortar in cold region".JOURNAL OF BUILDING ENGINEERING 44(2021). |
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